Studies on Factors Affecting Disintegration of Niuhuang Jiedu Tablet Uncertainty evaluation on baicalin content determination of Niuhuang Jiedu Tablets by HPLC 1H-NMR-based metabonomics on chemical component groups with toxicity alleviation effect to Realgar in Niuhuang Jiedu tablet Safety evaluation of Niuhuang Jiedu tablet Retrospective study of adverse reactions of Niuhuang Jiedu tablet (pill) and risk control based on literature analysis